1use gpui::{Action, AnyView, IntoElement, Render, VisualContext};
  2use settings::Settings;
  3use theme::ThemeSettings;
  4
  5use crate::prelude::*;
  6use crate::{h_flex, v_flex, Color, KeyBinding, Label, LabelSize, StyledExt};
  7
  8pub struct Tooltip {
  9    title: SharedString,
 10    meta: Option<SharedString>,
 11    key_binding: Option<KeyBinding>,
 12}
 13
 14impl Tooltip {
 15    pub fn text(title: impl Into<SharedString>, cx: &mut WindowContext) -> AnyView {
 16        cx.new_view(|_cx| Self {
 17            title: title.into(),
 18            meta: None,
 19            key_binding: None,
 20        })
 21        .into()
 22    }
 23
 24    pub fn for_action(
 25        title: impl Into<SharedString>,
 26        action: &dyn Action,
 27        cx: &mut WindowContext,
 28    ) -> AnyView {
 29        cx.new_view(|cx| Self {
 30            title: title.into(),
 31            meta: None,
 32            key_binding: KeyBinding::for_action(action, cx),
 33        })
 34        .into()
 35    }
 36
 37    pub fn with_meta(
 38        title: impl Into<SharedString>,
 39        action: Option<&dyn Action>,
 40        meta: impl Into<SharedString>,
 41        cx: &mut WindowContext,
 42    ) -> AnyView {
 43        cx.new_view(|cx| Self {
 44            title: title.into(),
 45            meta: Some(meta.into()),
 46            key_binding: action.and_then(|action| KeyBinding::for_action(action, cx)),
 47        })
 48        .into()
 49    }
 50
 51    pub fn new(title: impl Into<SharedString>) -> Self {
 52        Self {
 53            title: title.into(),
 54            meta: None,
 55            key_binding: None,
 56        }
 57    }
 58
 59    pub fn meta(mut self, meta: impl Into<SharedString>) -> Self {
 60        self.meta = Some(meta.into());
 61        self
 62    }
 63
 64    pub fn key_binding(mut self, key_binding: impl Into<Option<KeyBinding>>) -> Self {
 65        self.key_binding = key_binding.into();
 66        self
 67    }
 68}
 69
 70impl Render for Tooltip {
 71    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
 72        tooltip_container(cx, |el, _| {
 73            el.child(
 74                h_flex()
 75                    .gap_4()
 76                    .child(self.title.clone())
 77                    .when_some(self.key_binding.clone(), |this, key_binding| {
 78                        this.justify_between().child(key_binding)
 79                    }),
 80            )
 81            .when_some(self.meta.clone(), |this, meta| {
 82                this.child(Label::new(meta).size(LabelSize::Small).color(Color::Muted))
 83            })
 84        })
 85    }
 86}
 87
 88pub fn tooltip_container<V>(
 89    cx: &mut ViewContext<V>,
 90    f: impl FnOnce(Div, &mut ViewContext<V>) -> Div,
 91) -> impl IntoElement {
 92    let ui_font = ThemeSettings::get_global(cx).ui_font.clone();
 93
 94    // padding to avoid tooltip appearing right below the mouse cursor
 95    div().pl_2().pt_2p5().child(
 96        v_flex()
 97            .elevation_2(cx)
 98            .font(ui_font)
 99            .text_ui(cx)
100            .text_color(cx.theme().colors().text)
101            .py_1()
102            .px_2()
103            .map(|el| f(el, cx)),
104    )
105}
106
107pub struct LinkPreview {
108    link: SharedString,
109}
110
111impl LinkPreview {
112    pub fn new(url: &str, cx: &mut WindowContext) -> AnyView {
113        let mut wrapped_url = String::new();
114        for (i, ch) in url.chars().enumerate() {
115            if i == 500 {
116                wrapped_url.push('…');
117                break;
118            }
119            if i % 100 == 0 && i != 0 {
120                wrapped_url.push('\n');
121            }
122            wrapped_url.push(ch);
123        }
124        cx.new_view(|_cx| LinkPreview {
125            link: wrapped_url.into(),
126        })
127        .into()
128    }
129}
130
131impl Render for LinkPreview {
132    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
133        tooltip_container(cx, |el, _| {
134            el.child(
135                Label::new(self.link.clone())
136                    .size(LabelSize::XSmall)
137                    .color(Color::Muted),
138            )
139        })
140    }
141}